Use custom python toolchain for cloudsmith uploader

common/rules.bzl

@@ -37,3 +37,43 @@ java_deps = _java_deps
 tgz2zip = _tgz2zip
 unzip_file = _unzip_file
 workspace_refs = _workspace_refs
+
+# python_interpreter_symlink
+OS_NAMES = ("mac", "win", "linux")
+(MAC, WIN, LINUX) = OS_NAMES
+
+PYTHON_INTERPRETER_SUFFIXES = {
+    (MAC, "aarch64") : "aarch64-apple-darwin",
+    (MAC, "x86_64") : "x86_64-apple-darwin",
+    (LINUX, "aarch64"): "aarch64-unknown-linux-gnu",
+    (LINUX, "amd64"): "x86_64-unknown-linux-gnu",
+    (WIN, "amd64") : "x86_64-pc-windows-msvc",
+}
+
+def _python_interpreter_symlink_impl(rctx):
+    os_name = None
+    for name in OS_NAMES:
+        if name in rctx.os.name:
+            os_name = name
+
+    if os_name == None:
+        fail
+    os_arch = rctx.os.arch
+    print(rctx.attr.interpreter_toolchain_name + os_name + "," + os_arch )
+    interpreter_suffix = PYTHON_INTERPRETER_SUFFIXES.get((os_name, os_arch))
+
+    resolved_interpreter_label = Label("@" + rctx.attr.interpreter_toolchain_name + "_" + interpreter_suffix + "//:python")
+    build_file_content = """
+package(default_visibility = ["//visibility:public"])
+exports_files(["python"])
+    """
+    rctx.file("WORKSPACE", "workspace(name = \"%s\")"%rctx.attr.name)
+    rctx.file("BUILD.bazel", content=build_file_content, executable=False)
+    rctx.symlink(resolved_interpreter_label, "python")
+
+python_interpreter_symlink = repository_rule(
+    implementation= _python_interpreter_symlink_impl,
+    attrs={
+        "interpreter_toolchain_name" : attr.string(mandatory=True),
+    }
+)

common/uploader/deps.bzl

@@ -1,7 +1,14 @@
+load("@rules_python//python:repositories.bzl", "py_repositories", "python_register_toolchains")
 load("@rules_python//python:pip.bzl", "pip_parse")
+load("//common:rules.bzl", "python_interpreter_symlink")
+
 
 def typedb_bazel_distribution_uploader():
+    uploader_toolchain_name = "py39_for_uploader"
+    python_register_toolchains(name=uploader_toolchain_name, python_version="3.9", ignore_root_user_error = True)
+    python_interpreter_symlink(name="py39_for_uploader_symlink", interpreter_toolchain_name = uploader_toolchain_name)
     pip_parse(
         name = "typedb_bazel_distribution_uploader",
         requirements_lock = "@typedb_bazel_distribution//common/uploader:requirements.txt",
+        python_interpreter_target = "@py39_for_uploader_symlink//:python"
     )